MINING SHOVEL WITH BUSHINGS AT PIN LOCATIONS
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United States of America Patent
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Issued Date -
Jan 11, 2018
app pub date -
Sep 22, 2017
filing date -
Apr 24, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A cartridge includes a body, an aperture extending through the body sized to receive a pivot pin, and a spherical bushing disposed within the body. The cartridge also includes a first internal seal disposed axially on one side of the bushing and a second internal seal disposed axially on an opposite side of the bushing. The cartridge also includes an end cap disposed at least partially within the aperture that abuts the bushing and prevents the bushing from moving axially in a first direction within the aperture.
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